Lubricant composition and its use in a ball joint

Details Lubricant composition and its use in a ball joint Lubricant composition and its use in a ball joint

C - Chemistry, Metallurgy

10

M

C10M 169/06 (2006.01) C10M 107/14 (2006.01) C10M 115/08 (2006.01) C10M 143/02 (2006.01) C10M 159/06 (2006.01)

Patent

CA 2362514

Lubricant composition comprising: (A) 100 parts by weight of a viscous material having a viscosity from 3x10 3 to 10 5 mN.s/m2 (cP) at 25 °C, which is at least one member chosen from the group consisting of (i) polyisoprene rubber and (ii) viscous composition comprising polyisoprene rubber viscous substance; and (B) 15-45 parts by weight of at least one compound from a specific group of aliphatic amides and a specific group of aliphatic bisamides and (C) 5-30 parts by weight of at least one wax chosen from the group of polyethylene wax, paraffin wax and microcrystalline wax; and ball joint comprising such lubricant composition, and use of such lubricant composition in a ball joint.

Cette invention concerne une composition lubrifiante comprenant: (A) 100 parties en poids d'une matière visqueuse dont la viscosité se situe entre 3x10<3> et 10<5> mN.s/m2 (cP) à 25 DEG C, et dont au moins un élément est sélectionné dans le groupe composé de (i) caoutchouc de polyisoprène et (ii) d'une composition visqueuse renfermant une substance visqueuse à base de caoutchouc de polyisopropène; et (B) 15-45 parties en poids d'au moins un composé pris dans un groupe spécifique de bisamides aliphatiques; et (C) 5-30 parties en poids d'au moins une cire prise dans le groupe des cires de polyéthylène, des paraffines et des cires monocristallines. L'invention concerne également une rotule faisant appel à une telle compositions lubrifiante, et l'utilisation de ladite composition dans une rotule.

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